close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2412353

код для вставки
D¢¢~ 10» 1946-
s.-P. PARKER
2,412,353
WEAVING APPARATUS
Filed-Aug. so, 1944
Ú
7 sheets-sheet 2
.
0
N
v
sur
*+51
AffonNzYs
De¢._1o, 1946.
2,412,353
s. P. PARKER
WEAVÍNG APPARATUS
F11-ed Aug. 50. 1944 `
Y
'7 Sheets-Sheet 3
Dee.y l0, 1946.
s. P. PARKER
'
.2,412,353
'HAVING APPARA'rl-Is
l Filed Aug. 30, 1944
. Fla 5
A,
`
-
-
7 'sheets-sunt 4
De@ 1o, 1946. _
2,412,353
S. P. PARKER
wEAvING APPARATUS
Filed Aug. so, 1944
Í
7 Sheets-Sheet 5
Dec. 1o, 1946.v ‘_
2,412,353
S.. P. PARKER
~WEAVING APPARATUS
Filed Aug. 30, 1944
_7 sheets-sheet e
INvtN-rmz
âmum. E' PARKER'
@u
@M
Dec. l0, 1946.
2,412,353
S. P. PARKER
WEAVING APPARATUS
Filed Aug. 30, 1944
7 Sheets-fSheet 7
mfrvm
l NvE
To».
5A Mum. f.’ PARKER
BY = '
21m'
.
l
¿44m/f
Traa/nvr
2,412,853
4
vided with bevel gears |20, |22-meshing,.respec-
A number of horizontal shafts v30 are mounted
tively, with bevel gears |24, |26on the shafts |03.
Each disc |08 is‘formed with openings |28 equal
in bearings at spaced intervals on the cross mem
bers 22, 24, and the shafts extend laterally lie--L
ly spaced about the center of the disc and serv- '
ing as guides for the individual warp yarns. A. ~
yond the cross members and. with their axes sub
stantially tangent to respective guides 28, as i1
extend parallel to the axis of the shaft on which
the disc is mounted and are spaced radially
vertical grill |30 lies, in front of the group of
discs |06 and is mo‘unted on members 89, 90. A
sprocket> gear |32 is mounted on lower shaft |03,
and the web of channel member 90 is formed with'
a slot |30 through which' the gear projects.
therefrom. Spindles 30 `are for yarn packages, _
~ while spindles 38 carry yarn guides 38, which are
The apparatus is driven by a motor |36 mount- Y
ed on a base |38 attached to cross member 10 of
lustrated. A pair of discs 32 are mounted on each
shaft for rotation in, a vertical plane, and each `
disc carries a plurality of spindles 34, 36, which
_the loom and the motor is provided with a pulley
|00. A countershaft |02 is mounted in bearings
of the pigtail type. 'I‘hese guides may, if- desired,
be mounted on the ends of shafts 80.
|04, |06. attached to loom Sides 62, 60, and shaftr
|42 carries pulleys |08, |50.' The motor drives
the countershaft by. a belt |5| trained about pul
Each of .shafts 30 carries a sprocket gear '40 1y
ing between the horizontal supports 22, 20, and
a chain 02 is' trained about the several sprocket
leys |00 and |08.
»
gears, Bearings 0x0, 66 are attached to rthe ver
A crankshaft |52 is rotatably mounted in bear
tical member lâ'near its lower end, and a shaft
48 is mounted for rotation in the bearings. Shaft 20 ings |54, |56 on the loom-sides 62, 60, vand the
crankshaft is provided with pulley |50 and
00 carries sprocket vgears 50, 52 ' and~ chain 02
`sprocket gears |60, |62. A chain |60 connectsl
passesfrom sprocket gears 40 through a slot in
sprocket gear |62 with sprocket gear |32 on the
‘ lower shaft |03 of the twisting and shedding
08 is driven by a chain 54 trained about sprocket
gear 52 and driven by a sprocket gear 58 mounted 25 mechanism. 'I'he crankshaft is driven'from the
member |8 and is trained aboutgear 50. Shaft
on one of the shafts of loom â.
'
countershaft pulley |50 by belt |68'trained about
~
In the construction shown, one spindle 30 on
each disc 32 carries a yarn package 58 on which
four ends of yarnv are wrapped. If desired, sin
pulley |58 on the crankshaft.
~
friction roll 14.
pairs of bearings |98, 200 on opposite sides of the Y
A shaft |68 is mounted in bearings |10, |12 on
the loom sides, and this shaft carries sprocket
gle end packages may be employed, the packages 30 gears 58 and |10 mounted for free rotation there-Y
on but connected together. ‘Sprocket gear |14 is
being mounted on separate spindles 30 on each
driven from the crankshaft |52 by chain |16
disc. All thejends of yarn from one or more
trained about the gear and about sprocket gear
packages on the same disc 32 are led throughthe „
|60 on shaft |52.
guide 88 on spindle 36 on 'that disc and the groups
A lay sword |18 is rigidly attached to shaft |88,
'of yarns pass around one Aof the guides 28 and» 35
and the sword is reciprocated by a connecting
through one of a number of guides 60 mounted
rod |80 attached to the crank of crankshaft |52.
on vertical members’20 of the creel structure on
A reed |82 is mounted on the upper end of the
the side toward the loom.
g
.
lay sword, and a lay |00 is secured to the reed.’
The loom 0 includes sides 62, 60 connected by
horizontal cross members 66, 88, 10, and 12. The 40 The lay is provided with a Teshaped slot |86 ex- '
tending lengthwise thereof, and the ends of the
loom is provided with friction rolls 10, 16 mount- ~
lay are supported by rods |88, |00: rigidly at
ed, respectively, in bearings 10 and 00 on hori
tached to shaft |68 by means of collars |92; |94. l
zontal bars 82, 08, the bars being supported at '
A shuttle |96, carrying a bobbin |91, is provided
, one end on cross member` 12- of the loom and at
_ the other end on a suitable part of the creel 45 with a T-shaped projection which lies within slot
|86 in the’lay and has a V-shaped friction sur
structure. Bars 82, 84 also support a comber or
face _extending ‘lengthwiseA thereof in its rear face
guide board 88, through which the groups of
yarns pass on‘their way from the guides 60 to . 'and exposed beyond the lay. The lay carries
\
The mechanism in the loom, by which the warp 50 reed, and a shaft 202 is mounted in each pair of _ '
bearings. Shafts 202 carry pulleys 204, 208, and
yarns are manipulated to form sheds Vand are
each pulley has a V-shaped rim engageable with
also twisted together into groups, comprises up
the friction member` of shuttle |98.
per and 'lower horizontal supports 88, 90 connect
The lay sword carries a cross bar 208, at the
ed by vertical members 92.l 94, 98, and 68 to form
a generally box-like structure. The vertical sup 55 ends of which are mounted bearings 2|0, 2|2.
'A shaft 2|_4l is mounted at vone end in bearing
ports 92 and 98 are connected to the cross mem
212, and at its other end, the shaft is connected
ber 12 of the loom frame. Support 88 may in
to shaft 202 of pulley 206 through a universal
clude a channel member` 89 and a top plate 80a,
joint 2|B. Shaft 2m ,is also provided with a
~while support 90 may be a channel member.
sprocket gear 2|8. A shaft 220 is mounted in
Blocks |00 are mounted between the legs of the
bearing 2|0 and has a portion extendingbelow f
channel members-80, 90 and carry upper and
the bearing. Shaft 220 is connected at. its up
lower sets of bearings |02, inl which are mounted
per end to shaft 202 of pulley 204 by means of
upper and lower` shafts |03, each of which carries _
a long gear |00, |06.'
f'
universal jointV 222 and, at its end below bearing
2|0, shaft 22'0 carries a grooved pulley 224.
,
A plurality of discs, indicated generally by the
rectangle |08, Fig. 2, are mounted in _face-to-face
relation between -gears |04, |06 and have periph
Shaft 220 is provided with a sprocket gear 228, .
and shafts 2|4 and 220 are‘connected by a chain
228 trained about the sprocket gears on the two
’ _ erei teeth meshing with the teeth of the gears.
The edgesof the discs extend through slotsti l0,
| I2 in members 88 and 90, respectively, and the
engagement of the discs with the walls of the v
slots maintains the discsy in vertical position and
at thev proper spacing. A vertical >shaft ||4 is
mounted for rotation inv bearings H8, ||8 at
f
shafts.
.
A pair of discs 230, 232 are rotatably mounted y
on shaft |68 between sprocket gears |14 and 56
and are secured together and torthe gears. The
discs have friction surfaces 23.4, 236 which ex
tend over portions of their opposed faces and are
tached to members 88, 90,'and the Shaft iS PTO" 75 'oil'set soY that they alternatelyengage pulley 224.
|
2,412,353
in Figs. 9 and 1o. It is to be'understoodthat au.
the warp cables in the fabric may have the same
twist, and the number of ends in each cable may
be greater or less than four,` as desired.
When the
„fabric is made with comparatively heavy warp
yarns and a light filling, the product is suitable for
use as a floor covering.
Various novel effects may
i .` be Obtained by varying the twist- in the warp
cables and, if desired, vcertain cables may be
omitted for decorative effects. In all forms of the
A mechanism by means of‘which the direction
voi' rotation- of discs |08 can be periodically re
versed is disclosed in Figs. 17, v18, and 19. This
mechanism includes a dobby head providedwith
a harness lever 500 which controls the action of
‘ a double-acting pawl 502 through cord 504. The
pawl is operated by the following means:' A gear '
59S mounted on crankshaft ISI! ' of- the loom
meshes with a gear 508 fast on a shaft Sill, which
carries an eccentric 5i2 operating a reciprocating
new fabric, the warp and ñllingyarnsare tightly
rod Sid by means of connecting rod 5W. Rod
bound together by‘reason of the 'warp yarns
5M is movable through a guide Sid. - The double
being twisted together into cables and the ñlling
, pawl mechanism comprises individual pawls 520,
yarns passing through the cables.
'
.
1522, each of which is` pivotally secured at one end
Fabrics in which the individual warp cables 15 t0 a bar 52d and has> a pawl hook at the 4other
have the same twist 'throughout the length of
end. The bar 524 is attached to rod Sid and
the fabric can best be made by the use of the y reciprocated thereby.
~
apparatus'including the new creel provided with
Pawls 520, 522 operate, respectively. on ratchet
means for twisting the warp yarns together in . y . wheels 52e, ssa fast on shaft 52e, and the shaft
cables. The reason for this is that the discs §08 20 also carries-a sprocket wheel 532 connected by
cause the twist to run backward toward the yarn
a chain 536 to sprocket wheel |32 on the lower '
supplies and this would soon interfere with Íthe
free movement of the yarns from the supplies,
if not prevented from doing so. The twisting
shaft w3 of ‘the mechanism for rotating discs
HI8. The pawls'520, 225 are operated inalterna
tion under the control oi.’ the dobby head by
means on the creel counteracts the twist at the 25 means- of a bar-.53d attached to cord 50# and
rear. sidesof the discs, and by twisting the yarn
havingv pin and slot connections to each of pawls
leaving the supplies into cables of proper twist,
520. 522.>
,
.
»
the continued rotation of the discs in one’direction
>In the operation oi theI mechanism'describecl,
_ does not produce _a twist at the rear side which
would ultimately preventv the yarns being sup 30 the rotation of the crankshaft H52 of the loom
eñects reciprocation of bar' 52€' and of pawls
plied to the discs. ,
520, 522 attached thereto. 'Only one' of these
Instead of twisting the warp ends together into
pawls operates at any time, and the effective '
cables on the creel, the cables may be formed in a
-pawl causes stepwise rotation of shaft 526 and _
preliminary. operation. ' Such cables may then
l be supplied to the loom in any convenient man 35 of shaft §03 of the mechanism. which rotates
discs _|08. From time `to time, under the con
trol of the dobby head, the pawl previously ef
fective is put out of action and the other pawl
made eû‘ective. A change in the pawl operation
produces a change in the direction oi rotation
of shaft 526,~shafts W3, and discs Hit.
In the foregoing, I have illustrated and de-v
ner' and the yarns in each cable will be passed
through respective openings in a disc §08. The
cable twist will counteract the backward twist
eñected by the disc, and the dis'cs may run con
tinuously. _in one Adirection s_o that the final prod
uct, the individual warp cables will have the
` same twist throughout.
>
scribed a loom in'which all of the warprends
A c'reel provided with twisting means may be
across the fabric are manipulated inl groups for
omitted provided the direction of rotation of
discs §08 is periodically reversed, and when the 45 shedding purposes and the ends forming ,each
group are twisted together into a cable. A fabric
discs are thus operated, fabrics diiîering in ap
made on such a -loom has a distinctive appear
pearanceffrom that shown in Fig. 8 may be ob
ance'and the warp and ñlling yarns are -iirmly
bound together. In the production of some fab'- ’
¿One such fabric is illustrated in Fig. 20 and it
includes iilling yarns 406 interwoven with'warp 50 rics, it may be desirable to forma portion of
vthe fabric, such as the central longitudinal area,v
cables containing four ends in each cable. The
of warp andfilling yarns interwoven in the usual.
ends makingl up one such cable are designated
way and without twist, or to produce a fabric in
¿08, M0, M2, and M5, respectively, and it will
which there arelongitudinal strips 'of warp and>
`be noted that the'ends 408 and M0 pass beneath
the pick of filling yarn 40B at the extreme left 55 filling yarns so interwoven.
is readily ac
of the ligure, the ends lying one above the other
complished by providing the loom with the usual
harness motion disposed at the left of the group
directly beneath the pick. The ends M2 and MS
of discs H08 as seen in Fig. 1 and by omitting suchy
pass over the same pick inthe same manner.
tained.
'
.
.
`Between that pick and the next'one to the right,
designated M6, the ends 408, 410, M2, and Md are 60
twisted together with an ,S-ftwistand the ends 408
and 4l@ pass beneath pick M0, while the ends'
45,2 and did pass over it. Beyond «pick ¿it tothe
right, the twist in the cable is reversed and the
ends have a Z-twist.
The ends' «308» and M0.
then pass beneath the next pick M9, while the
ends M2 and 4m pass over that'pick.
The re
versals in the warp cable twist continue through
of the discs |08 as would otherwise be-required
to handle the warp ends'wh'ich are to be handled _
by the heddles in the formation of the shed. ,
The provision `of such a harness motion in the
loomof the inventionwill be‘readily understood
by those skilled in loom construction.
'
f -
The means for applying tension to the wa
yarn cables disclosed in the foregoing is the sub#
ject matterI of _application Serial No. 591,265,
ñled May 1, 1945. The mechanism for reversing
cent cables may be manipulated in the same 70 the _direction of the shedding discs disclosed
herein is the subject matter of application Se
L manner as ends 40S-8H, inclusive, but.' prefer-¿
ably and as illustrated, the twist in these cables’ « . rial No'. 591,266, ñled May 1, 1945. The shed'dingmechanism disclosed herein is'the subject
between adjacent picks is the opposite of the
` out the length of the fabric. The'yarnsïin adja
twist in the cables made up of ends ß08-4l4,
inclusive, between the same pair of picks.
matter _of application Serial No. 591,267, Afiled
75 May. 1, 1945. . Each or the three laterapplica
2,412,353 >
9 .
~
3ans is a continuation-impart of this applica
on.
I claim:
,
1o
guide foreach yarn package. yarn yguides fonuthe
supporting structure beyond the free ends of
- the shafts, the yarns passing from the packages "
'
_1. In a weaving apparatus, a creel for supply--
ing cables, each consisting of a plurality of yarns
twisted. together, which comprises a suppgrting
structure, a plurality pf shafts mounted for ro
tation. on'the structure, each shaft being sup
to the rotating -guides and thence lto those on the
structure, and means for rotating the shafts in
unison to cause the yarns to be twisted together
between the packages and the guides on --the
structure to form cables.
'
‘
ported between its ends only, supports for yarn
5. In a weaving apparatus, a creel for-supply
packages mounted on the free portions of the 10 ing cables, each consisting of a plurality of yarns
twistedtogether, which comprises a frame work,
shafts, yarn guides mounted for rotation with
the shafts, one guide for each yarn package.
a plurality of horizontal shafts mounted for ro
a yarn guide on the supporting structure beyond ' tation within the frame work, each shaft having
a free end portion, supports for yarn packages
each end of each shaft, the yarns passing from the
packages to the rotating guides and thence to
mounted on the `free portions of the shafts and
lying within the framework, yarn guidés mount
' those on the structure, and means for rotating
the shafts to cause the yarns tosv be `twisted to
‘ ed for rotation with the shafts, one guide for
gether between the packages and the guides' on
each yarn package, yarn guideson the frame
the structure to form cables.
'
work beyond the ends of the shafts, the yarns
I 2. In a .weaving apparatus, a' creel for supply
passing from the packages to the rotating guides
ing cables, each consisting of a plurality 4of yarns
and thence to those on the structure, and means
' twisted together, which comprises a supporting
for rotating the shafts to cause the yarns to be
structure, a plurality of shafts mounted for ro-l
twisted together between the packages and the
tation on the structure, each shaft being sup
guides on the structure to form cables.
portedl between its ends onli?.> supports for yarn 25 . 6. In la weaving apparatus, a creel for supply
A packages mounted on the free portions of the
ingcables, each consisting of a plurality of yarns .
shafts, yarn guides mounted for rotation with
the shafts, _one guide for each yarn Package', a
yarn guide on the- supporting structure beyond
each end of each shaft, the ‘yarns passing from
the packages to the rotatingguides and thence'y
twisted together, which comprises a supporting
frame work, a plurality of shafts mounted for
rotationwithin the frame work and arranged in
rows, each shaft being supported to have a free
portion, supports for yarn packages mounted on
fto those on the structure, means for rotating the .
the l free portions of the shafts, yarn guides
shafts to cause the yarns to `be twisted together
between the -packages and the guides -on the struc
mounted to rotate with the shafts, one guide for '
at'one end of the structure. n
passing from _the packages through the rotating
` each yarn package, yarn'guides on the frame
ture to form cables, and guides for the cables- 35 work beyon'd the ends of the shaftathe yarns
,
B. In a~weaving apparatus, a creel for supply
ing cables, each consisting of a plurality of yarns
guides, and thence to those on the frame work,
4and means for- rotating the shafts in unison to
twisted together, which comprises a supporting
cause the yarns to be twisted together between>
structure having open sides, a plurality of hori '40. the> packages and the guides on the frame 4-work,'.
zontal shafts mounted _for rotation between the
’ sides of the structure, each shaft being supported
on the structure between its ends only, supports
adjacent shafts in a row being- rotatedA in op-l
¿ vposite directions.
7. In a weaving apparatus, a creel for supply
for yarn packages mounted on the free portions
ing cables, each consisting of a plurality of yarnsA
of the shafts, the packages being accessible 45 twisted together, which comprises a supporting '
through the sides of the structure, yarn guides
mounted for rotation with the shafts,«one'_guide
for each yarn package, a yarn guide on the sup
porting structure beyond each end of each shaft,
- the yarns passing from the packages to the rotat
ing guides and thence to those on the structure.
and means for rotating the shafts to ycause the
yarns to be twisted together between the pack
agäsls and the guides on the structureto form
vca
es.
'
'
4. In a weaving apparatus, a creel for supply- „
' structure. a plurality of parallel shafts mounted
for rotation on the structure, each >shaft; being
supported to have >a free portion, supports for
yarn >packages mounted on the free portions of
the shafts, yarn guides mounted to rotate with
the shafts, one _guide for each yarn package. yarn
guides on the supporting structure beyond .the
ends ofthe shafts, the axes of the shafts lying
substantially tangent tothe _associated guides on
the structure, the yarns passing from the pack
ages through thc rotating guides to those
ing cables,each consisting of a plurality of yarns
twisted together, which comprises` a supporting
the structure, and means for rotating the
to cause 'the yarns from the supplies on the sup
structure, 'a plurality of shafts mountedfor ro
tation on the structure. each -shaft lnving a
ports onrespectiveshaftstobe'twistedtogether
free end portion, supports 'for yarnY
Í. _ mounted on the'i‘ree porticnsrof the
ì .guides mounted for rotation with
-
Документ
Категория
Без категории
Просмотров
0
Размер файла
1 275 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа